Finding the Fourth Proportional to 1,177,303.14, 1,766,217.94 and 429,349.14
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Solution
The fourth proportional to 1,177,303.14, 1,766,217.94 and 429,349.14 is: 644,119.71
Step by Step Solution
- Step 1: Write the proportion equation
1,177,303.14 : 1,766,217.94 = 429,349.14 : x - Step 2: Convert to fraction form
1,177,303.14/1,766,217.94 = 429,349.14/x - Step 3: Cross multiply
1,177,303.14x = 1,766,217.94 × 429,349.14 - Step 4: Simplify right side
1,177,303.14x = 758,324,153,591.57 - Step 5: Solve for x
x = 758,324,153,591.57/1,177,303.14 - Step 6: Final answer
x = 644,119.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.